Rose Gupta (Series 1-4) is one of the M.I. High agents, she features in every series, being one of the few characters to do so. Rose is the scientific, technical and analytical expert, and is also portrayed as far smarter than the rest of the schools pupils, and also the teaching staff; the teachers often also rely on her to help them out. She is the eldest of three siblings and her parents own the local DVD rental store.
In the episode 'Eyes on Their Stars', Rose is shown to play the tuba, although in the episode, she switches to clarinet at the end of the episode. She also has a hidden talent for singing, shown when she sang with Crush. In season 3 she is invited to join a school for very intelligent children even when all the bad guys have gone and the school is still open she decides to remain at St Hopes.

Played by: Rachel Petladwala.
Oscar Cole (series 3) is one of the two new characters of series three replacing Blane and Daisy. Oscar is hiding under a secret identity, as part of an MI9 protection program, and in the first three episodes he was in, he was secretive about his past until Rose needs to access his file in 'Agent X'. Oscar's mother was, and is, a S.K.U.L. agent, and after a failed attempt by M.I.9. to arrest her just over 2 years ago, she was forced to leave him. Oscar was taken to various safe-houses and training centres, to become the spy he is now. In the episode 'The Mole', we discover that Oscar has a fear of the dark. When his character is first introduced in 'Art Attack', Frank states that he speaks 14 languages but not Spanish as revealed in 'Think Tank'.

Played by: Ben Kerfoot
Carrie Stewart (series 3) is the other new character replacing Blane and Daisy. Carrie is a keen gymnast, and has ambitions to become a professional gymnast. Episode 'Agent X' tells us that her mum encourages this idea, and she gets Carrie to keep an internet blog, so that when she is famous, her fans can keep track of her.

Played by: Charlene Osuagwu
Frank London (series 3) was head of part of training that Rose was taking between series two and three. Later on in the first episode, we discover he has taken over Lenny's position, because Lenny has moved on. Frank is also employed as the school caretaker.

Played by: Jonny Freeman
Blane Whittaker (series 1-2) was one of the three original agents in M.I.High. Blane was a Karate black belt, and holds the UK long jump record. Blane has been best friends with Stewart since the age of six, but after joining MI9, he hasn't been able to spend as much time with Stewart as he's wanted to. It was mentioned in 'Nerd Alert' that Blane has an older brother who's in the military. After the end of series two, both Blane and Daisy leave the series, to go off and train new child agents for MI9. Blane's hobbies include watching martial arts films and playing video games.

Last Appearance: Asteroid Attack
Played by: Moustafa Palazli
Daisy Millar (series 1-2) was one of the three original agents in M.I.High. Daisy is supposedly a master of disguise, and in many episodes she dresses up and goes undercover. Daisy is an only child. Her parents both work abroad. In 'The Power Thief', we learn that her dad is the chairman of a museum trustee board and is famous because of the position. She has met the Queen because of her dad's position and lives in a big country estate, although she tells no-one at school about her family or where she lives. Only Blane finds out the truth in 'The Power Thief'. She loves boysband "Crush". After the end of series, two both Daisy and Blane leave the series, to go off and train new child agents fo MI9.

Played by: Bel Powley
Lenny Bicknall (series 1-2) was an M.I.9 agent deep undercover posing as Saint Hope's School's caretaker. He has an old war wound on his hip which causes him to walk with a cane. He has been with M.I.9 for many years and has been involved in several espionage missions. His storeroom is the secret entrance to the M.I.9 school section, and he has his own personal spy gadgets including a signalling device concealed within the handle of his broom, which he uses when in caretaker guise contact agents under his care. Lenny moves on from M.I.High before series 3, and is replaced by Frank.

Played by Danny John-Jules
[edit] Antagonists
[edit] The Grand Master
The Grand Master
M.I.High character
First appearance The Sinister Prime Minister
Portrayed by Kerry Shale (2007)

Julian Bleach (2008-10)
Information
Species Human
Gender male
Occupation Criminal

Played by: Kerry Shale (voice) (series one); Julian Bleach (series two and three).
[edit] The Grand Mistress
Played by: Tracy Ann Oberman (series four).
[edit] S.K.U.L. Agents
The Guinea Pig (S.K.U.L. Evil Scientist), Real Name: Professor Sally Moreau , is renowned for her discredited experiments. Self-experimentation has caused her to mutate into a half-human, half-guinea pig hybrid. She works for the Grand Master and is sponsored by S.K.U.L. She tried to take over the world using a cyber clone of the Prime Minister until the M.I. High spies discovered her plans.

Played by: Moya Brady.
Tony Frisco (S.K.U.L. - Crush's Manager) is a has-been, a one-hit wonder. He was humiliated awfully on the TV real life show 'Pop Factor'. He is a bossy Manager and doesn't really care about Crush. He works for the Grand Master.

Played by: Steve Furst
Crush (Pop Stars) were managed by S.K.U.L. associate Tony Frisco. They wanted to sing their own lyrics but weren't allowed; Frisco made them sing a song which hypnotised the crowds to buy their single. Blane and Rose helped set them free from Frisco's clutches in "Eyes on Their Stars" with an 'antidote' song to reverse the hypnosis. Daisy is their 'biggest fan' and thinks they are gorgeous, but Blane disagrees and says that they are talentless. Their single has been downloaded over 40 million times. Crush member Arran hasn't spoken in public since May 12, 2001.

Played by: Julian Gregory, Ryan Gregory, Eliot Gregory.
Sonya Frost (S.K.U.L. Secretary and ex-TV Weather Girl) is a secretary for the Weather Bureau. She is also a former weather girl, she was sacked from this job after one of her predictions was dramatically out of proportion. Her 'secretary' post was actually a cover; she had invented a weather machine that Roger Powel was going to present as his own. Little knowing, Sonya had sold her idea to the Grand Master and S.K.U.L. She studied physics at Oxford University.

Played by: Siobhan Hewlett.
Brent Gilbert (S.K.U.L. Retired Tour Guide) is a criminal with no experience, but is an expert on the Dark Stones. He attempted to send the world back into the Dark Ages. He was funded by S.K.U.L. and he was a tour guide at Serinturk.

Played by: Angus Barnett.
The Worm (S.K.U.L. Hacker) is an unnamed immature child who likes to get free access into top secret sites. He has a big ego and is a mummy's boy. He was funded by S.K.U.L. and attempted to crash SPARTA, the UK Defence Satellite. In the second series he has been re-educated by M.I.9 and returns as a spy for M.I.9's second child team. It is also shown that he has a poorly disguised crush on Rose in saying that 'Rose will think of something. She's brilliant'

Played by: Steven Meiklejohn.
Chad Turner (S.K.U.L. and CIA Double Agent) is an arrogant CIA agent. He was a popular kid at Saint Hope's. He was working for the Grand Master in an attempt to sell the MT3000 for a lot of money. He made Blane jealous because he was a better football player and Daisy liked Chad, yet Blane has a crush on Daisy. Fortunately he was later arrested by M.I.9.

Played by: Toby Regbo.
Silas Fenton (Aspiring S.K.U.L. Agent and Inventor) is an inventor who seriously wants to be in S.K.U.L., even though the Grand Master has serious doubts about this! He used several animals, including the Grand Master's own General Flopsy, to spy on the Saint Hope's staff. He used truth darts and spy cams. He attempted to suck out Daisy's brain using flies. His brain was sucked out, leaving him a completely mindless fool. He was then asked to become a member of S.K.U.L. to take part in the annual Big Six meeting bt was put in prison when M.I.9 raided the meeting.

Played by: Jeremy Swift.
Vanessa Zietgeist (S.K.U.L. Beautician) is a beautician working for the Grand Master (or as she calls him, "G.M."). She is around 60. She was on a quest to stay young, having won a beauty pageant at six years old but ended up on the beauty scrapheap at twenty-one. She contaminated the drinking water at N.O.S.E. with a regression formula which made top scientists the mental age of three; the whole of Saint Hope's – both teachers and children – were also regressed when a sample of the formula was poured into the custard being prepared for school lunch by the affected Dr. Grabworst. At the end of the episode, she accepted her true age and betrayed the Grand Master.

Played by: Rula Lenska.
General Ryan Scarp (S.K.U.L. and British Army General) is the British Army officer responsible for the security of Dylan Towser. Believing that there would be no place for the Army once world peace was achieved, he went insane and attempted to start a Third World War using real missiles substituted for the dummy weapons provided for the launch to demonstrate the neutralising power of the Missile Disarmer. He destroyed the first Missile Disarmer, but was later overcome and arrested.

Played by: Alex Ferns.
Carla Terrini (M.I.9, S.K.U.L. - Air One Agent) has won five Young Agent of the Year awards. She was trained by Lenny and owes everything she knows to him, but now works for a special M.I.9 force called Air One. But although she is a dedicated agent, she seems to have forgotten her right from wrong. She stormed off in a huff when Air One's authority over M.I.9 was invalidated.

Played by: Rebecca Palmer.
Agent Zero (The Grand Master's Nephew) is the brainless and rather boring nephew of the Grand Master. Unlike his devious and evil "Grand Uncle" , Agent Zero has no interest in taking over the world and/or working for S.K.U.L.; he'd rather tuck into a delicious Pot Noodle or some tasty sandwiches instead!

Played by: Mark Bagnell.
'Leah Retsam ' Grand Master's Grandchild. Works as an assistant for David Dehaveland. She kidnapped the president.

LORENZO FERRAGO

A fashion designer, however he has no talent. He relies on Evie Solomon, a talented fashion designer. When he lost sales, he began to work for SKUL.

MAXIMUS FITICUS A fitness coach who is utterly obsessed with being fit. He works for the Grandmaster.

GENERAL SKUL AGENTS All of these people work for Jade Dixon Halliday and/or the Grandmaster. They all wear the bland SKUL uniform.

[edit] Saint Hopes
[edit] Current characters
Mr. Kenneth Flatley is the headteacher of Saint Hopes, and is one of the few characters who features in all four series. He is easy going but has a determined streak and an obsession for getting things right. He really believes in Saint Hope's School and its pupils. He has great patience and works long hours without complaining. Though there has been no improvement in school results, morale or truancy levels, Mr. Flatley's optimism remains undented. He was slightly jealous of Lenny, showing this by making him do menial jobs, however he seems to get on better with Frank, and uses a friendship with him to assist with escaping Mrs. King. Episode 'The Mole' reveals that Mr. Flatley is terrified of moles. He also seems to have a little crush on Miss Templeman as shown on "Spy animals".

Mrs. Hermione King is a new teacher to series three. She is introduced as the new deputy head of Saint Hopes. Mrs. King does not like the way that the school is run, and believes that they should revert to traditional teaching methods, and is constantly pointing out how bad the school's exam results are. Mrs. King indicates to the Ofsted reporter that visits the school that she feels she should become headteacher, although the Ofsted reporter criticises her for not taking her job as part of a team.

Played by: Channelle Owen
Avril Franklin is another character to join St Hopes in series 3. she likes the colour black and seems to have a large crush on Oscar, which sort of frightens him. She is rather caring though, for example, in episode 3 (series 3), "Agent X", when the school is evacuated, she comes out, anxious because she hasn't seen Oscar exit the school.

Played by: Jenny Huxley Golden
Davina Berry is the thick one in the class. She only cares about what she looks like and has a fear of folk music which she overcomes in "The Mole". She joins St. Hopes in series three. Davina is generally seen hanging around with Donovan, who she gets on with most of the time but she sometimes bosses him around.

Played by: Eliza Cummings-cove.
Donovan Butler is a character quite similar to Davina, a young good looking boy who seems to focused on fame and money . He is mainly seen hanging around with Davina and seems to have a fear of cordoroy which he overcomes as shown in "The Mole",Donovan was also added into the series at season 3, he is seen most of the time hanging around with Davina. In series 4 stops wearing posh clothes and starts to wear trendier clothes e.g. trainers, he also has his ear pierced and he also has spiked up hair.

Played by: Joseph Cocklin
[edit] Former Characters
Ms Helen Templeman is a teacher at St Hopes and Blane, Rose and Daisy's form teacher. Luckily for the school, but unluckily for the spy team, their form teacher is a young, sensitive, ambitious teacher. She secretly fancies Lenny but is too shy to tell him. However in "Spy Animals", she nearly reveals her secret while given a truth serum. Mechanics is one of her hobbies. Miss Templeman is not featured in series three.

Played by: Jane Cameron.
Stewart Critchley is Blane's best friend and side-kick, he believes in UFOs and the supernatural. His favourite TV programme is Star Trek and he also runs the school radio club. Stewart knows nothing about Blane being a spy but Blane has been close to telling him a few times. However Stewart gets suspicious how Blane keeps disappearing all the time. Stewart has feelings for Daisy, but indicates he likes Rose more. Stewart has earned his Green Blue Peter Badge and can be seen wearing it on his coat and school uniform. Stewart, like most of the characters from the first two series', disappears at the start of series three.

Played by: Scott Gibbins.
Fifty Pence, real name Julian Hamley, is the school bully at St Hopes. He always gets bad grades at school and thinks he is a great rapper. He has won a brave kid award. In "Spy Animals" we learn that his bullying is the result of him over compensating for his feminine side. The name "Fifty Pence" is believed to be a parody of the American rap musician Curtis James Jackson III who uses the stage name Fifty Cent.

Played by: Sam Ardley.
Kaleigh is the tough ring-leader of the class gang, and has a 'couldn't care less' attitude. She is friends with Daisy and Zara, and only cares about her hair and her nails.

Played by: Leonie Boyd.
She is replaced by the character of Letitia in series two.

Played by: Princess Webb.
Zara is friends with Daisy and Kaleigh, the popular girls in School. She is constantly confused and seems to be a bit ditzy but she doesn't mind, as long as her clothes are in season and she is looking fashionable.

Played by: Bethany Denville.
[edit] M.I.9/Government/Army
' Prime Minister Llewllyn (World Leader - United Kingdom) was the leader of the UK and was kidnapped and cloned by the Guinea Pig in an attempt to start a war with Europe. He was also talking to the Space Centre Director and Lenny Bicknall on the telephone in "Nerd Alert". He was present during the Ryfield plane crisis and the asteroid emergency when he and his advisors, ministers, the Royal Family and other VIP's were relocated to a safety bunker. By 2009, he had been replaced by Planer. Term of Office: 2001 - 2008

Played by: Robert Llewellyn.
Prime Minister Planer (World Leader - United Kingdom) was the leader of the UK during "The Visit", he had a daughter named Chiati-Marie, who was a poor gymnast. While his daughter was performing at St. Hopes, Planer was kidnapped by Boldovian criminals and forced to release the three most dangerous Boldovian criminals. MI9 intervened and PM Planer was saved.

Played by: Nigel Planer.
Mary Taylor MP (Government Minister) is the Education Minister in the government. She believed she was allergic to children, but this was untrue. She attempted to have all of Britain's children sent to an Alcatraz version of a prison, telling the kids it was an adventure holiday. After a moment of madness in attempting to kidnap the children herself, she is last seen being hounded by the press. It is unknown if she resigned from the government

Played by: Felicity Montagu.'Head of M.I.9 (M.I.9 Spy Master) is the spy in charge of M.I.9. She is talking to Lenny in "The Big Freeze" saying that she has had to cancel her barbecue. She later appears in "Spy Animals" being at M.I.9 in the bugged meeting room. In "Forever Young" she talks to Lenny saying they need results. However by the Crimewave episode, the Head of MI9 was replaced by another woman. The same Head of MI9 appeared in more episodes in Series 3.
Old Head of MI9 played by: Victoria Wicks.
New Head of MI9 played by: Adjoa Andoh.
Chief agent Stark (MI9 Bossyboots) is a new character and does not approve of Frank London and his MI High team and turns his nose up at Maurice Hutchingson as well. The head of MI9 gets cross with him for his idiocy and rudeness in episode 5 and 6 of series 4.

Played by: Jonathan Rhodes
Roger Powel (Weather Bureau - Head of Research) Head of Research at the Weather Bureau. Attempted to pass Sonya Frost's weather machine as his own. He has no idea of the existence of S.K.U.L. He only had one A-level and he came clean by telling the public that Sonya invented the Weather Machine. After this he was sacked at the Weather Bureau.

Played by: Simon Kunz.
Kyle Whittaker (British Army) is Blane's twelve-year senior brother, who is a commando in the British Army. Kyle was almost called into a Special Forces raid on The Worm's house which could have ended in disaster.

Played by: Henry Lloyd-Hughes.
Dr. Simon Grabworst (N.O.S.E. Scientist) is the Chief Scientist at the National Organisation for Scientific Exploration – N.O.S.E. for short. He was affected by the water contaminated by Vanessa Zietgeist's regression formula, and attempted to tell the M.I.9 agents about how to solve the antidote by doing drawings. An antidote developed by Rose restored both him and the whole of the affected Saint Hope's to normal.

Played by: Michael Webber.
Dylan Towser (British Army) is a very rich and intelligent boy genius who uses a wheelchair. He is working for the British Army to develop a Missile Disarmer. His Head of Security was General Ryan Scarp. He was kidnapped by Scarp who wanted to start a war with the missiles provided for the launch. His first Missile Disarmer was destroyed by Scarp, but he managed to build another just in time to stop the real missiles with which Scarp planned to start a Third World War.

Played by: Louis Marlow.
Sergeant Rayner (British Army) is a British Army sergeant and subordinate of General Ryan Scarp. She does not tolerate incompetence, whingers or weaknesses of any other sort. But although she might be loud and scary, deep down, she has a good heart.

Played by: Tameka Empson.
Lu (M.I.9 Human Robot) appears to be an ordinary-looking Chinese boy, but he is actually a human robot; the product of a eugenics program. To enable him to test-pilot a probe for M.I.9, his body has been specially designed to withstand the g-forces involved in air flight. An expert in science, Lu finds a friend in Rose.

Played by: Tai-Li Lee.
Maurice' (MI9 Animal Expert) is introduced in series 3. He is the MI9 rabbit expert and somewhat resembles a rabbit because he has a nose which can't stop twitching. Chief Agent Stark is not very pleased that MI9 employed him.